- merge r2355 from 1.7 to trunk: fix display of menubar related tags in IE7

- optimized sql query in permalinks
- remove some unused global variable declarations
- fix bug in admin/themeconf.inc.php

git-svn-id: http://piwigo.org/svn/trunk@2356 68402e56-0260-453c-a942-63ccdbb3a9ee

include/ws_protocols/rest_encoder.php

@@ -152,7 +152,6 @@ class PwgRestEncoder extends PwgResponseEncoder
 {
   function encodeResponse($response)
   {
-    global $lang_info;
     $respClass = strtolower( get_class($response) );
     if ($respClass=='pwgerror')
     {